Miller is famous for vulnerability research on the Mac and iOS platforms. His most famous exploit allowed an attacker to take control of an iPhone merely by sending it an SMS text message.
Miller's most recent famous hack exploited a vulnerability in NFC support on Android devices. At the Black Hat 2012 conference in Las Vegas he showed on-stage how he could take control of an Android phone by holding a malicious NFC tag in close proximity to it.
Server Market SplitsvilleJust because the server market's in the doldrums doesn't mean innovation has ceased. Far from it -- server technology is enjoying the biggest renaissance since the dawn of x86 systems. But the primary driver is now service providers, not enterprises.